Electroswitch Series 24 LOR, Lock-Out Relay
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Electroswitch Series 24 LOR, Lock-Out Relay

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The Electroswitch Series 24 LOR, Lock-Out Relay, is the industry standard for safety and reliability, and plays a pivotal role in crucial utility and industrial applications. The Series 24 LOR offers a selection of Manual Reset, Electric Reset or Self-Reset versions, and comes with optional lighted target nameplates to save on space and cost. The Series 24 LOR utility control switches comply with ANSI/IEEE 37.90 and ANSI/IEEE 37.90.01.

A lock-out relay – also called an LOR or ANSI device 86 – trips on a protective-relay signal and mechanically locks out the associated breaker, keeping critical equipment isolated until an operator investigates and resets the relay. With up to 30 N/O and 30 N/C contacts, nine trip-coil options, and transition times under half a cycle, the Series 24 lets one lockout relay replace banks of auxiliary devices in substation and generator protection schemes.

BriceBarclay is an authorized Electroswitch distributor. Request a quote for the Series 24 LOR lock-out relay in your required reset style, trip coil, and contact arrangement.

Read more on why utilities standardize on the Series 24 LOR for breaker lockout and equipment protection.

Features

  • Complies with ANSI/IEEE 37.90, and ANSI/IEEE 37.90.01
  • Qualified to UL, CSA
  • 9 Different trip coils to choose from
  • Up to 30 N/O and 30 N/C contacts in one standard LOR
  • Available with electric reset capability
  • Available with built-in coil monitoring and fault signal detection/indication
  • Available Push to Trip function
  • Transition times of less than 8mSec (less than 1⁄2 cycle) are standard

Applications

  • Power Industry
  • Electrical Power Transmission Substations
  • Protects Critical Utility Equipment and Systems
  • Industrial Applications